Insulating medium



'F. A. GILCRESTI INSULATING MEDIUM.

APPLICATION FILED ILILY 25, I9I9.

1,3? 13753 Mmmm M311. I5? @2L FRANK A. GELCEEST, OF CALFR-'l.

ENSULATING MEDIUKC.

Specification of Letters Patent.

Application ied July 25, 39H). Serial No. 313324Z.

To all i/J/mm may Cowfmm.:

lie it known that i; FRANK A. (iriLCnes'r, a. Citizen of the United States, residing at Pasadena. in the eounty of Les ngeles and State m California, have invented certain. new and nsei'ni Improvements in suiatw ing Mediums; and l (i0 hereby declare the following tu be a iinll7 clear, and exact ilesrription of the invention, sneh as will en` able others skilied in the art to which it appertains te make and use the Haine.

This invention relates; .to improvements in heat insulating or non-conductingn medium, and more partieularlyv t0 Such as is atlanteil to assume a variety of forms and contours according to the particular use to which it is to be put.

The object in View is the provision of an efficient heatinsiiiatnr or non-emiijlneter in expensiveiy and'easiiy produced and susceptible of adaptation to prartiealiy every 'pessibi use For heat inaulating pnrime.

1l'Vith this and further objects in View as: will in part hereinafter beminie'apparnit and in part be Stateil, the invention i: prises certain novel constrnethms. em tiens and arrai'iggfmnta ei' parts as sin quently Speei ieil anii claimed.

in the accompanying' (barring,-

Fignre i, is a seetienai View tiiieii"" sheet or slab of' insniating inateriif emi/0. ing' the features the present invention.

Figs. 2, 3 and 'i are Similar views Slightly mmliiefi embodiments of the saine.

Fig. 5 is an exaggerated trawnient tion of a. part ot' the s'rnetnre seen in f* Fig. 6 is a plan View en an exagge. scale if a part of the structure Fini.

et'erring to the drawing by ninneralfs, l inilif-ates a Sheet, plate er slab made np of in'l'nsorial earth. prete ably iliatmnite. and bonding4 fiber. rThe fiber7 as sli-:m i and preferred, Consists of strips n'i fabric. 2i 2, embedded Within the bmly 0lZ earth but Capable of a wide ange et variation both as to the charac-'5er ei the ber and its reiative location. The fiber is preferably in the forni of Woven fabric as seen in Figs. and 6, with the e .ith so theronghl wm'lrefi into the. interstiees oil the 'fabric as te be thoroughly bonded with the fabric.

n the construction of the Sheet fiatomaeeous earth in its natural state dried and then pulverizeil. The resnQ h powder is moistened with water and tritu- L spread upon an approanifl piece.; et fabric are inici rated Snieientiy to nal'e. a piastre paste. i"

prI ite mi the er Space and another layer i is placed on the fabric, t this peii sheet bniii'linej may be riiseontinneii i Sheet is te in, relat; ly thin, and in e' if: stance it is pref; te have the fabric eentinnous z infinl f in Fi; 2, ssanr ness et the sheet or hat a greater th' l is desired, additional pieces fabr'c Y, placed on the new iiastie layer and are Lterahlj; arrai'iged to overlap the planes he. edges et the Erst pieces of fabric ami third Vlayer ei tl' e paste is placed on the 'This building up proenew layer ei" fr* Y ees may continue until. the plate becomes in facta bloei; .fyi any rlesireci thiekne applying the 'liai applying g .Y masi; ie snbiee,

Striiinent in the pressure er ether i iaith-ies Gif fabric so the features n t'ie present in i m which iniiiseriai earth has its iwies 'fnrfed into and through h 'erst nieu s l v ,H 1 (hum is Qfnrpletefi, whether in he ferm e a thin Sheet er tiii 'ir Piate Gi' bleeky the neriiiiin is (i ri ont preferabiy by the .natnrai heat et the atmosphere, as. *for xainple, by iet't expesed in the i flesert er elsewhere. here the iitniesplieris quite tirv. is 'preterabie te eieet the dry g operatien Wiiiie protecting the insniater freni the first action of the snns rays so to Yeni baking.

ing' medium is adapte@ am very mimerous, including use i01- covermgs, will linings, re-

produce. ai binnkef for bed swelling, mi`

M1@ product poesses so limi@ Weight as im im particularly, comfortable and especiaiiy pmsing in use, ,ha finished @Vering pmi ampie iexibilitj/ to conform to tlm amateur of the body after Stile manner. #of mdinal'y Wool biankets, Wixia $119, adhesion of jie particles in their ioncie reiation t the fabric and the cohesion of tha particles with respect to themselves insure durability 0f kh@ product as weil as sanitation. in its usa.

Wha-i, 'I claim is H'aam insulating medium comprising a fab fin and puiverized dinomaceous earth appied to the fabric and Worked into the interstices thereof while in s, pldstic conditidn.

lin testimony whereof my signataire in .presence of two witnesses.

FRANK A. GLCREST.

Witnesses? JOHN E. TANNER,

l C. MESSICK.' 

